I was quite thrilled today after stumbling upon the ecomodder site and this thread in particular. I just the other day had a thought of making one of these aerocaps as I know know them to be called. Long story short, I googled something along the lines of truck hatchback cap figuring that if I had the idea, others have too. All I can say is, I am impressed. I do however have one question, directed at Bondo. A while back I was watching an episode of mythbusters. They coated a ford Taurus in modeling clay, and cut dimples out of the clay making the vehicle resemble a golf ball. Now this clay coating added over 600 lbs to that ford Taurus, and increased its fuel efficiency by over 11 or 12 percent if my memory is correct. I was wondering if you had ever tried such a dimpled surface on one of your aerocaps, and if you had, did you see any further improvements? I've barely heard anything about that dimpling sense that episode of mythbusters and now I'm curious about it and if it'd further aid in reducing my donations to the fuel pump gods.
-Paul
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